How to add HTML <script> defer Attribute

<!DOCTYPE html> <html> <body> <h1>The script defer attribute</h1> <script src="https://www.w3schools.com/tags/demo_defer.js" defer></script> <p>The script above requests information from the paragraph below. Normally, this is not possible, because the script is executed before the paragraph exists.</p> <p id="p1">Hello World!</p> <p>However, the defer attribute specifies that the script should be executed later. This way the script can request information from the paragraph.</p> </body> </html>